Academic Journal
A painful neuropathy-associated Nav1.7 mutant leads to time-dependent degeneration of small-diameter axons associated with intracellular Ca2+ dysregulation and decrease in ATP levels
| العنوان: | A painful neuropathy-associated Nav1.7 mutant leads to time-dependent degeneration of small-diameter axons associated with intracellular Ca2+ dysregulation and decrease in ATP levels |
|---|---|
| المؤلفون: | H. Rolyan, S. Liu, J. Gj Hoeijmakers, C. G. Faber, Ingemar Sj Merkies, G. LAURIA PINTER, J. A. Black, S. G. Waxman |
| المساهمون: | H. Rolyan, S. Liu, J. Gj Hoeijmaker, C.G. Faber, I. Sj Merkie, G. LAURIA PINTER, J.A. Black, S.G. Waxman |
| سنة النشر: | 2016 |
| المجموعة: | The University of Milan: Archivio Istituzionale della Ricerca (AIR) |
| مصطلحات موضوعية: | ATP, axon degeneration, mitochondria, peripheral neuropathy, reactive oxygen species, sodium-calcium exchanger, voltagegated sodium channe, Settore MED/26 - Neurologia |
| الوصف: | Small fiber neuropathy is a painful sensory nervous system disorder characterized by damage to unmyelinated C- and thinly myelinated Ad- nerve fibers, clinically manifested by burning pain in the distal extremities and dysautonomia. The clinical onset in adulthood suggests a time-dependent process. The mechanisms that underlie nerve fiber injury in small fiber neuropathy are incompletely understood, although roles for energetic stress have been suggested. In the present study, we report time-dependent degeneration of neurites from dorsal root ganglia neurons in culture expressing small fiber neuropathy-associated G856D mutant Nav1.7 channels and demonstrate a time-dependent increase in intracellular calcium levels [Ca2þ]i and reactive oxygen species, together with a decrease in ATP levels. Together with a previous clinical report of burning pain in the feet and hands associated with reduced levels of Naþ/Kþ-ATPase in humans with high altitude sickness, the present results link energetic stress and reactive oxygen species production with the development of a painful neuropathy that preferentially affects small-diameter axons. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| Relation: | info:eu-repo/semantics/altIdentifier/pmid/27821467; info:eu-repo/semantics/altIdentifier/wos/WOS:000388123800001; volume:12; journal:MOLECULAR PAIN; http://hdl.handle.net/2434/529189; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85007472202 |
| DOI: | 10.1177/1744806916674472 |
| الاتاحة: | http://hdl.handle.net/2434/529189 https://doi.org/10.1177/1744806916674472 |
| Rights: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.F27070BE |
| قاعدة البيانات: | BASE |
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